saintsfan2004
saintsfan2004 saintsfan2004
  • 13-11-2018
  • Mathematics
contestada

Please help please i really need this answer

Please help please i really need this answer class=

Respuesta :

Mareska95
Mareska95 Mareska95
  • 13-11-2018

We have the system of equations:

3x + 5y = 10

x + 5y = 2 => x = 2 - 5y

__________________

3*(2 - 5y) + 5y = 10

6 - 15y + 5y = 10

-4 = 10y

y = -4/10 = -2/5 => x = 2 - 5*y = 2 - 5*(-2/5) = 2 + 2 = 4

The correct answer is x = 4.

Answer Link

Otras preguntas

What is the degree of 12x4 - 8x + 4x2 - 3? A. 8 B. 4 C. 3 D. 12
What is the gauge pressure of the blood as it moves past the constriction? the density of blood is 1050 kg/m3. express your answer to two significant figures an
In American born Chinese how does the money king free himself from the pile of rocks
What is common to the variation in the range and the height of a projectile
Early christian music was most strongly influenced by:
According to sternberg's triangular theory of love, the ________ component of love leads to romance, physical attraction, and sexual consummation.
Tucker and titus are partners who share income in the ratio of 3:1. their capital balances are $40,000 and $60,000, respectively. income summary has a credit ba
An economist who studies the sales and profits of a large corporation would be classified as a(n) macroeconomist. stock broker. social economist. microeconomist
How many black men are in prison in the us?
What advancements did Constantine bring to Constantinople?